package com.study.guide.pack.unsplicing;

import java.util.logging.Logger;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;

public class TimeClientHandler extends SimpleChannelInboundHandler<Object> {
	private static final Logger logger = Logger.getLogger(TimeClientHandler.class.getName());
	private int counter;
	private byte[] req;

	public TimeClientHandler() {
		req = ("query time order"+System.getProperty("line.separator")).getBytes();
	}
	@Override
	protected void channelRead0(ChannelHandlerContext ctx, Object msg) throws Exception {
		ByteBuf buf =(ByteBuf)msg;
		byte[] req = new byte[buf.readableBytes()];
		buf.readBytes(req);
		String body = new String(req,"UTF-8");
		System.out.println("now is : "+body+" ; the counter is :"+ ++counter);
	}

	@Override
	public void channelActive(ChannelHandlerContext ctx) throws Exception {
		ByteBuf message =null;
		for(int i=0;i<100;i++) {
			message =Unpooled.buffer(req.length);
			message.writeBytes(req);
			ctx.writeAndFlush(message);
		}
	}

	@Override
	public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
		logger.warning("Unexpected exception from downstream : "+ cause.getMessage());
		ctx.close();
	}
}
